Software Engineer I (Onsite)

Date Posted:

2026-08-05



Country:

United States of America



Location:

US-TX-RICHARDSON-461 ~ 3200 E Renner Rd ~ RENNER BLDG 461



Position Role Type:

Onsite



U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance



Security Clearance Type:

DoD Clearance: Secret



Security Clearance Status:

Active and existing security clearance required after day 1

This requisition is for an RTX intern converting to FT hire upon graduation.

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. 

The Integrated Strategic Solutions Engineering (ISSE) team is looking for an exceptionally motivated Software Engineer that is passionate about designing and implementing mission critical software for military customers in a highly technical environment.

As a Software Engineer, you will develop and validate software for communication and control mission systems used on our military customers’ aircraft and ground stations. This opportunity has the potential to support multiple programs for the United States Air Force and Navy. Primary responsibility will be to focus on customer needs and requirements to design, develop, document, integrate, and test software solutions for complex systems where the ability to execute the mission is paramount. This position will also be responsible for identifying, analyzing, and correcting technical problems with existing software systems in an integrated lab environment.

Projects span the entire development lifecycle, including requirements definition, use case development, software design and development, unit testing, integration, and verification testing.

The candidate will work closely with fellow systems and software engineers on scrum teams, as well as Cyber Security Engineers, Technical Project Engineers (PEs), Product Line / Program Management, and support staff to assure product reliability and customer needs are met. This position will support defining the future of Air Force and Navy defense systems from Richardson, TX.

What You Will Do

• Work with multidisciplined teams and utilize software engineering methodologies for application layer and embedded development of complex mission critical software
• Create software designs using Model Based Systems Engineering principles and UML diagrams
• Interpret and implement software requirements and designs in new and existing baselines
• Create and execute functional tests for the purpose of software validation in a lab environment
• Integrate and install software in labs and potentially at customer sites
• Participate in peer reviews of code and related documentation
• Communicate and collaborate with senior and principal level engineers

Qualifications You Must Have

• Bachelor’s degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Experience with Object Oriented Development using Java/C++ with the ability to modify complex software designs from customer requirements
• Familiarity with using software development IDEs such as, Eclipse
• Familiarity with using software version control application, such as Subversion or Git
   

Qualifications We Prefer

• Agile Software Development experience/familiarity
• Familiarity using and developing for Linux based platforms
• Familiarity with Virtual Machine and vLAN provisioning and management using VMWare ESXi
• Familiarity with Model Based Systems Engineering concepts and toolsets
• Understanding of Graphical User Interfaces with Java frameworks, using Swing or JavaFX preferred
• Strong understanding of Unit Testing principles and implementation
• Be able to communicate, both written and verbally, with employees at all levels in the organization, with excellent problem solving, data analysis and decision-making skills.
• Ability to travel domestically (up to 10% of time)

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation, if eligible

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 57,200 USD - 108,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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